Question 1

__________ are found beneath fair-weather cumulus (cumulus humilis)clouds,whereas __________ are found between the clouds.

Accepted Answer

A) downdrafts;updrafts 
B) updrafts;downdrafts 
C) downdrafts;only horizontal motions 
D) updrafts;only horizontal motions 
A) downdrafts;updrafts 
B) updrafts;downdrafts 
C) downdrafts;only horizontal motions 
D) updrafts;only horizontal motions

Question 2

Air which resists vertical displacements is considered to be stable.

Accepted Answer

A) True 
 B)False

Question 3

If a parcel of unsaturated air with a temperature of 30o C rises from the surface to an altitude of 1,000 m,the unsaturated parcel temperature at this altitude would be about 10o C warmer than at the surface.

Accepted Answer

A) True 
 B)False

Question 4

Explain why the surface air on the downwind side of a mountain can be drier than the surface air on the upwind side.What is this effect called? Can you think of a location in the United States where this might actually occur?

Accepted Answer

The surface air on the downwind side of

Question 5

Would you expect clear skies to accompany stable,unstable,or neutral stability conditions? Explain your answer.

Accepted Answer

Clear skies are most commonly associated

Question 6

Figure 5.15c shows cloud formation by convection.

Accepted Answer

A) True 
 B)False

Question 7

List and explain the four processes that cause rising air motions in the atmosphere.

Accepted Answer

1. Convection: This process occurs when

Question 8

Subsidence increases stability.

Accepted Answer

A) True 
 B)False

Question 9

Suppose you observe lenticular clouds that appear to be motionless.Is the air in the vicinity of the cloud motionless? Explain.

Accepted Answer

The answer of Suppose you observe lenticular clouds that appear...

Question 10

Sinking air _________ cools adiabatically.

Accepted Answer

A) sometimes 
B) never 
C) always 
A) sometimes 
B) never 
C) always

Question 11

Which of the following set of surface conditions would produce a convective cumulus cloud with the highest base?

Accepted Answer

A) air temperature 40 oC,dew point 30 oC 
B) air temperature 25 oC,dew point 10 oC 
C) air temperature 35 oC,dew point 10 oC 
D) air temperature 45 oC,dew point 25 oC 
E) air temperature 25 oC,dew point 5 oC 
A) air temperature 40 oC,dew point 30 oC 
B) air temperature 25 oC,dew point 10 oC 
C) air temperature 35 oC,dew point 10 oC 
D) air temperature 45 oC,dew point 25 oC 
E) air temperature 25 oC,dew point 5 oC

Question 12

If an air parcel is given a small push upward and it continues to move upward on its own accord,the atmosphere is said to be:

Accepted Answer

A) stable. 
B) unstable. 
C) buoyant. 
D) dynamic. 
A) stable. 
B) unstable. 
C) buoyant. 
D) dynamic.

Question 13

Which of the following sets of conditions would produce a cumulus cloud with the lowest base?

Accepted Answer

A) air temperature 90o F,dew point temperature 50o F 
B) air temperature 90o F,dew point temperature 40o F 
C) air temperature 90o F,dew point temperature 60o F 
D) air temperature 90o F,dew point temperature 20o F 
A) air temperature 90o F,dew point temperature 50o F 
B) air temperature 90o F,dew point temperature 40o F 
C) air temperature 90o F,dew point temperature 60o F 
D) air temperature 90o F,dew point temperature 20o F

Question 14

Would you expect to find a subsidence inversion to be associated with high or low pressure? What effects might a subsidence inversion have on weather conditions at the ground?

Accepted Answer

A subsidence inversion is typically asso

Question 15

Describe the changes in atmospheric stability throughout a 24 hour period beginning at sunrise on a cloudless summer day over land.

Accepted Answer

At sunrise on a cloudless summer day ove

Question 16

Does radiational cooling at the ground at night act to increase or decrease atmospheric stability? How does daytime heating at the ground during the day affect atmospheric stability?

Accepted Answer

Radiational cooling at the ground at nig

Question 17

Figure 5.15a shows cloud formation by convection.

Accepted Answer

A) True 
 B)False

Question 18

If an air parcel is given a small push upward and it falls back to its original position,the atmosphere is said to be:

Accepted Answer

A) stable. 
B) unstable. 
C) isothermal. 
D) neutral. 
E) adiabatic. 
A) stable. 
B) unstable. 
C) isothermal. 
D) neutral. 
E) adiabatic.

Question 19

Vertical mixing of air tends to __________ a large environmental lapse rate.

Accepted Answer

A) decrease 
B) increase 
A) decrease 
B) increase

Question 20

Figure 5.15d shows cloud formation by lifting along weather fronts.

Accepted Answer

A) True 
 B)False

are found beneath fair-weather cumulus (cumulus humilis)clouds,whereas are found between the clouds.

Air which resists vertical displacements is considered to be stable.

If a parcel of unsaturated air with a temperature of 30^o C rises from the surface to an altitude of 1,000 m,the unsaturated parcel temperature at this altitude would be about 10^o C warmer than at the surface.

Explain why the surface air on the downwind side of a mountain can be drier than the surface air on the upwind side.What is this effect called? Can you think of a location in the United States where this might actually occur?

Would you expect clear skies to accompany stable,unstable,or neutral stability conditions? Explain your answer.

Figure 5.15c shows cloud formation by convection.

List and explain the four processes that cause rising air motions in the atmosphere.

Subsidence increases stability.

Suppose you observe lenticular clouds that appear to be motionless.Is the air in the vicinity of the cloud motionless? Explain.

Sinking air _________ cools adiabatically.

Which of the following set of surface conditions would produce a convective cumulus cloud with the highest base?

If an air parcel is given a small push upward and it continues to move upward on its own accord,the atmosphere is said to be:

Which of the following sets of conditions would produce a cumulus cloud with the lowest base?

Would you expect to find a subsidence inversion to be associated with high or low pressure? What effects might a subsidence inversion have on weather conditions at the ground?

Describe the changes in atmospheric stability throughout a 24 hour period beginning at sunrise on a cloudless summer day over land.

Does radiational cooling at the ground at night act to increase or decrease atmospheric stability? How does daytime heating at the ground during the day affect atmospheric stability?

Figure 5.15a shows cloud formation by convection.

If an air parcel is given a small push upward and it falls back to its original position,the atmosphere is said to be:

Vertical mixing of air tends to __________ a large environmental lapse rate.

Figure 5.15d shows cloud formation by lifting along weather fronts.

The Turbulent Atmosphere

Energy That Drives the Storms

Temperature and Humidity Extremes

Condensation in the Atmosphere

Precipitation Extremes

Atmospheric Motions

Wind Systems

Air Masses and Fronts

Mid-Latitude Cyclonic Storms

Thunderstorms

Tornadoes

Hurricanes

Weather Forecasting

The Earths Changing Climate

Filters

Exam 5: Clouds and Stability

__________ are found beneath fair-weather cumulus (cumulus humilis)clouds,whereas __________ are found between the clouds.

Air which resists vertical displacements is considered to be stable.

If a parcel of unsaturated air with a temperature of 30o C rises from the surface to an altitude of 1,000 m,the unsaturated parcel temperature at this altitude would be about 10o C warmer than at the surface.

Explain why the surface air on the downwind side of a mountain can be drier than the surface air on the upwind side.What is this effect called? Can you think of a location in the United States where this might actually occur?

Would you expect clear skies to accompany stable,unstable,or neutral stability conditions? Explain your answer.

Figure 5.15c shows cloud formation by convection.

List and explain the four processes that cause rising air motions in the atmosphere.

Subsidence increases stability.

Suppose you observe lenticular clouds that appear to be motionless.Is the air in the vicinity of the cloud motionless? Explain.

Sinking air _________ cools adiabatically.

Which of the following set of surface conditions would produce a convective cumulus cloud with the highest base?

If an air parcel is given a small push upward and it continues to move upward on its own accord,the atmosphere is said to be:

Which of the following sets of conditions would produce a cumulus cloud with the lowest base?

Would you expect to find a subsidence inversion to be associated with high or low pressure? What effects might a subsidence inversion have on weather conditions at the ground?

Describe the changes in atmospheric stability throughout a 24 hour period beginning at sunrise on a cloudless summer day over land.

Does radiational cooling at the ground at night act to increase or decrease atmospheric stability? How does daytime heating at the ground during the day affect atmospheric stability?

Figure 5.15a shows cloud formation by convection.

If an air parcel is given a small push upward and it falls back to its original position,the atmosphere is said to be:

Vertical mixing of air tends to __________ a large environmental lapse rate.

Figure 5.15d shows cloud formation by lifting along weather fronts.

The Turbulent Atmosphere

Energy That Drives the Storms

Temperature and Humidity Extremes

Condensation in the Atmosphere

Precipitation Extremes

Atmospheric Motions

Wind Systems

Air Masses and Fronts

Mid-Latitude Cyclonic Storms

Thunderstorms

Tornadoes

Hurricanes

Weather Forecasting

The Earths Changing Climate

Filters

are found beneath fair-weather cumulus (cumulus humilis)clouds,whereas are found between the clouds.

If a parcel of unsaturated air with a temperature of 30^o C rises from the surface to an altitude of 1,000 m,the unsaturated parcel temperature at this altitude would be about 10^o C warmer than at the surface.